Hama Passion Clear wireless headphones in black are perfect for calls and enjoy music. They use Bluetooth 5.0 technology and offer a wireless range of 10 meters. These intraaural headphones have a frequency response from 20 to 20,000 Hz, an impedance of 32 Ω and a sensitivity of 96 dB. They also have an integrated microphone with a sensitivity of -42 dB and an impedance of 2200 Ω. In addition, they have an integrated battery for comfort. In summary, Hama Passion Clear headphones provide a high quality wireless experience for calls and music, with an elegant black design.